[postlink]
http://science-video.blogspot.com/2011/08/brian-greene-universe-on-string.html[/postlink]
http://www.youtube.com/watch?v=YtdE662eY_Mendofvid [starttext]In clear, nontechnical language, string theorist Brian Greene explains how our understanding of the universe has evolved from Einstein's notions of gravity and space-time to superstring theory, where minuscule strands of energy vibrating in 11 dimensions create every particle and force in the universe. [endtext]

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